/**
 * config
 *       这的配置中心相当于客服端(customer,provider都属于客服端)
 *       配置中心服务端就是nacos
 *       cloudalibaba-nacos-config3377
 * customer
 *       cloudalibaba-consumer-nacos-order83
 *             openfeign(sentinel和feign和ribbon结合使用)
 *                  cloudalibaba-consumer-nacos-order85
 *             ribbon(sentinel和ribbon结合使用)
 *                  cloudalibaba-consumer-nacos-order84
 * provider
 *       cloudalibaba-provider-payment9002
 *       cloudalibaba-provider-payment9003
 *
 * sentinel
 *       cloudalibaba-sentinel-service8401
 *       cloudalibaba-sentinel-service8402
 *       cloudalibaba-sentinel-service8403
 */